Home / 19,480.82-26,887.56-11,528.24

Finding the Fourth Proportional to 19,480.82, 26,887.56 and 11,528.24

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Solution

The fourth proportional to 19,480.82, 26,887.56 and 11,528.24 is: 15,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.82 : 26,887.56 = 11,528.24 : x
  2. Step 2: Convert to fraction form
    19,480.82/26,887.56 = 11,528.24/x
  3. Step 3: Cross multiply
    19,480.82x = 26,887.56 × 11,528.24
  4. Step 4: Simplify right side
    19,480.82x = 309,966,244.69
  5. Step 5: Solve for x
    x = 309,966,244.69/19,480.82
  6. Step 6: Final answer
    x = 15,911.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.